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U.S. Air National Guard Tech. Sgt. Jacob Jackson, a 185th Air Refueling Wing firefighter, performs sutures on the limb of a postmortem human model at an advanced trauma training course by the Global Training Institute at the Pōhakuloa Training Area in Hilo, Hawaii, Aug. 8, 2025. Cadavers were used to simulate realistic injuries and medical procedures. (U.S. Air National Guard photo by Staff Sgt. Tylon Chapman)